package com.example.teacher.Fragment

import android.content.Intent
import android.os.Bundle
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.databinding.DataBindingUtil
import androidx.fragment.app.Fragment
import androidx.recyclerview.widget.LinearLayoutManager
import com.example.teacher.AddCourseActivity
import com.example.teacher.BaseUrl
import com.example.teacher.CourseDetailActivity
import com.example.teacher.R
import com.example.teacher.adapter.RecyclerCourseAdapter
import com.example.teacher.data.Course
import com.example.teacher.databinding.FragmentCourseBinding
import com.example.teacher.http.OkHttp
import com.example.teacher.util.JsonUtil

// TODO: Rename parameter arguments, choose names that match
// the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
private const val ARG_PARAM1 = "param1"
private const val ARG_PARAM2 = "param2"

/**
 * A simple [Fragment] subclass.
 * Use the [CourseFragment.newInstance] factory method to
 * create an instance of this fragment.
 */
class CourseFragment : Fragment() {
    private lateinit var binding: FragmentCourseBinding

    // TODO: Rename and change types of parameters
    private var param1: String? = null
    private var param2: String? = null

    lateinit var data: ArrayList<Course>

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        arguments?.let {
            param1 = it.getString(ARG_PARAM1)
            param2 = it.getString(ARG_PARAM2)
        }

        val resData = OkHttp.getSync("${BaseUrl.URL}${BaseUrl.GET_COURSELIST}")
        val res = JsonUtil.DataParse<Course>(resData)

        data = ArrayList<Course>()

        for (i in res.indices) {
            data.add(res[i])
        }
        Log.d("tag", "onCreate: ok")
    }

    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        // Inflate the layout for this fragment

        binding = DataBindingUtil.inflate(inflater, R.layout.fragment_course, container, false)

//        val adapter:CourseListAdapter=CourseListAdapter(data)
        val adapter = RecyclerCourseAdapter(this.context!!, data)

        binding.courseList.layoutManager = LinearLayoutManager(this.activity)
        binding.courseList.adapter = adapter

        // item点击事件
        adapter.setOnRecyclerItemClickListener(object : RecyclerCourseAdapter.RecyclerItemClickListener {
            override fun onItemClickListener(position: Int) {
//                Toast.makeText( context,data[position].courseName, Toast.LENGTH_SHORT).show()
                val intent = Intent(context, CourseDetailActivity::class.java)
                intent.putExtra("courseId",data[position].courseId)
                intent.putExtra("courseName",data[position].courseName)
                intent.putExtra("teacher",data[position].teacher)
                intent.putExtra("courseNum",data[position].courseNum)
                startActivity(intent)
            }
        })

        //添加课程弹窗
        binding.btnAddcourse.setOnClickListener {
            startActivity(Intent(this.activity, AddCourseActivity::class.java))
        }

        return binding.root
    }

    companion object {
        /**
         * Use this factory method to create a new instance of
         * this fragment using the provided parameters.
         *
         * @param param1 Parameter 1.
         * @param param2 Parameter 2.
         * @return A new instance of fragment CourseFragment.
         */
        // TODO: Rename and change types and number of parameters
        @JvmStatic
        fun newInstance(param1: String, param2: String) =
            CourseFragment().apply {
                arguments = Bundle().apply {
                    putString(ARG_PARAM1, param1)
                    putString(ARG_PARAM2, param2)
                }
            }
    }


}